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Code Issues Releases Activity

gamecard: disable hash checks on Terra gamecards

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This commit is contained in:
Pablo Curiel 2024-05-19 20:55:36 +02:00
parent b97fb24005
commit 7d5b904835
1 changed files with 12 additions and 2 deletions
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14
source/core/gamecard.c
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@ -1365,12 +1365,14 @@ static HashFileSystemContext *gamecardInitializeHashFileSystemContext(const char
} }
/* Verify Hash FS header (if possible). */ /* Verify Hash FS header (if possible). */
if (hash && hash_target_size && (hash_target_offset + hash_target_size) <= hfs_ctx->header_size) /* TODO: enable hash verification on Terra gamecards if we ever find out how to properly calculate matching checksums. */
if (hash && hash_target_size && (hash_target_offset + hash_target_size) <= hfs_ctx->header_size && g_gameCardInfoArea.compatibility_type == GameCardCompatibilityType_Normal)
{ {
sha256CalculateHash(hfs_header_hash, hfs_ctx->header + hash_target_offset, hash_target_size); sha256CalculateHash(hfs_header_hash, hfs_ctx->header + hash_target_offset, hash_target_size);
if (memcmp(hfs_header_hash, hash, SHA256_HASH_SIZE) != 0) if (memcmp(hfs_header_hash, hash, SHA256_HASH_SIZE) != 0)
{ {
LOG_MSG_ERROR("Hash FS header doesn't match expected SHA-256 hash! (\"%s\", offset 0x%lX).", hfs_ctx->name, offset); LOG_MSG_ERROR("Hash FS header doesn't match expected SHA-256 hash! (\"%s\", offset 0x%lX).", hfs_ctx->name, offset);
dump_fs_header = true;
goto end; goto end;
} }
} }
@ -1395,7 +1397,15 @@ static HashFileSystemContext *gamecardInitializeHashFileSystemContext(const char
end: end:
if (!success && hfs_ctx) if (!success && hfs_ctx)
{ {
if (dump_fs_header) LOG_DATA_DEBUG(&hfs_header, sizeof(HashFileSystemHeader), "Partial Hash FS header dump (\"%s\", offset 0x%lX):", hfs_ctx->name, offset); if (dump_fs_header)
{
if (hfs_ctx->header)
{
LOG_DATA_DEBUG(hfs_ctx->header, hfs_ctx->header_size, "Hash FS header dump (\"%s\", offset 0x%lX):", hfs_ctx->name, offset);
} else {
LOG_DATA_DEBUG(&hfs_header, sizeof(HashFileSystemHeader), "Partial Hash FS header dump (\"%s\", offset 0x%lX):", hfs_ctx->name, offset);
}
}
if (hfs_ctx->header) free(hfs_ctx->header); if (hfs_ctx->header) free(hfs_ctx->header);